16487986489 has 16 divisors (see below), whose sum is σ = 17860953600. Its totient is φ = 15130178496.

The previous prime is 16487986429. The next prime is 16487986507. The reversal of 16487986489 is 98468978461.

It is a cyclic number.

It is not a de Polignac number, because 16487986489 - 2⁹ = 16487985977 is a prime.

It is a super-2 number, since 2×16487986489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16487986409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2136612 + ... + 2144314.

It is an arithmetic number, because the mean of its divisors is an integer number (1116309600).

Almost surely, 2^16487986489 is an apocalyptic number.

It is an amenable number.

16487986489 is a deficient number, since it is larger than the sum of its proper divisors (1372967111).

16487986489 is a wasteful number, since it uses less digits than its factorization.

16487986489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664.

The product of its digits is 167215104, while the sum is 70.

The spelling of 16487986489 in words is "sixteen billion, four hundred eighty-seven million, nine hundred eighty-six thousand, four hundred eighty-nine".